<template>
  <div class="app-container">
    <div class="filter-container">
      <el-input
        v-model="listQuery.code"
        style="width: 200px"
        class="filter-item"
        placeholder="路由id"
        @keyup.enter.native="handleFilter"
      />

      <el-button
        v-waves
        v-btnHas="'gateway:search'"
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        @click="handleFilter"
      >
        搜索
      </el-button>

      <el-button
        v-btnHas="'gateway:add'"
        class="filter-item"
        style="margin-left: 10px"
        type="primary"
        icon="el-icon-edit"
        @click="handleCreate"
      >
        新增
      </el-button>
      <el-button
        v-waves
        v-btnHas="'gateway:refresh'"
        class="filter-item"
        type="primary"
        :loading="downloadLoading"
        icon="el-icon-refresh"
        @click="handleRefresh"
      >
        重置路由
      </el-button>
    </div>

    <el-table
      v-loading.body="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%"
    >
      <el-table-column type="index" width="50" align="center" label="序列" />
      <el-table-column width="180px" align="left" label="路由id">
        <template slot-scope="scope">
          <span>{{ scope.row.routeId }}</span>
        </template>
      </el-table-column>

      <el-table-column width="250px" align="left" label="uri路径">
        <template slot-scope="scope">
          <span>{{ scope.row.uri }}</span>
        </template>
      </el-table-column>

      <el-table-column width="220px" align="left" label="predicates">
        <template slot-scope="scope">
          <span>
            <li
              v-for="(predicates, index) in scope.row.predicates"
              :key="index"
            >
              {{ predicates.name }}
              <ul>
                <li v-for="(args, aIndex) in predicates.args" :key="aIndex">
                  {{ args }}
                </li>
              </ul>
            </li>
          </span>
        </template>
      </el-table-column>

      <el-table-column width="130px" align="left" label="filters">
        <template slot-scope="scope">
          <span>
            <li v-for="(filters, index) in scope.row.filters" :key="index">
              {{ filters.name }}
              <ul>
                <li v-for="(args, aIndex) in filters.args" :key="aIndex">
                  {{ args }}
                </li>
              </ul>
            </li>
          </span>
        </template>
      </el-table-column>

      <el-table-column width="50" align="center" label="排序">
        <template slot-scope="scope">
          <span>{{ scope.row.orders }}</span>
        </template>
      </el-table-column>

      <el-table-column align="center" label="描述">
        <template slot-scope="scope">
          <span>{{ scope.row.description }}</span>
        </template>
      </el-table-column>

      <el-table-column width="70" align="center" label="状态">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.status == 1" type="success">有效</el-tag>
          <el-tag v-if="scope.row.status == 0" type="info">无效</el-tag>
        </template>
      </el-table-column>

      <el-table-column width="160px" align="center" label="修改时间">
        <template slot-scope="scope">
          <span>{{
            new Date(scope.row.updatedTime)
              | parseTime('{y}-{m}-{d} {h}:{i}:{s}')
          }}</span>
        </template>
      </el-table-column>

      <el-table-column width="85" align="center" label="修改人">
        <template slot-scope="scope">
          <span>{{ scope.row.updatedBy }}</span>
        </template>
      </el-table-column>

      <el-table-column width="160px" align="center" label="创建时间">
        <template slot-scope="scope">
          <span>{{
            new Date(scope.row.createdTime)
              | parseTime('{y}-{m}-{d} {h}:{i}:{s}')
          }}</span>
        </template>
      </el-table-column>

      <el-table-column width="85" align="center" label="创建人">
        <template slot-scope="scope">
          <span>{{ scope.row.createdBy }}</span>
        </template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="150">
        <template slot-scope="scope">
          <el-button
            v-btnHas="'gateway:update'"
            type="primary"
            size="mini"
            @click="handleUpdate(scope.row)"
          >
            修改
          </el-button>
          <el-button
            v-btnHas="'gateway:delete'"
            type="danger"
            size="mini"
            @click="handleDelete(scope.row.id)"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--翻页工具条-->
    <div class="pagination-container">
      <el-pagination
        background
        :current-page="listQuery.current"
        :page-sizes="[10, 20, 30, 50]"
        :page-size="listQuery.size"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>

    <!--添加或编辑对话框-->
    <el-dialog title="新增/修改" :visible.sync="dialogFormVisible" width="65%">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="temp"
        label-position="right"
        label-width="120px"
        status-icon
        style="width: 80%; margin-left: 30px"
      >
        <el-form-item label="路由id" prop="routeId">
          <el-input v-model="temp.routeId" placeholder="请输入路由id" />
        </el-form-item>

        <el-form-item label="uri路径" prop="uri">
          <el-input
            v-model="temp.uri"
            placeholder="请输入uri路径,如:lb://或http://"
          />
        </el-form-item>
        <!--predicates输入框-->
        <el-form-item
          v-for="(predicates, index) in temp.predicates"
          :key="0 + index"
          :label="'predicate' + (index + 1)"
          :rules="{
            required: true,
            message: 'predicates不能为空',
            trigger: 'blur'
          }"
        >
          <el-input
            v-model="predicates.name"
            :prop="'predicates.' + index + '.name'"
            style="width: 40%"
            placeholder="请输入名称，如Path"
          />
          <el-input
            v-model="predicates.args.pattern"
            :prop="'predicates.' + index + '.args.pattern'"
            style="width: 40%"
            placeholder="请输入路由表达式"
          />
          <el-button
            type="danger"
            icon="el-icon-minus"
            circle
            size="mini"
            @click="removePredicate(index)"
          />
          <el-button
            type="primary"
            icon="el-icon-plus"
            circle
            size="mini"
            @click="addPredicate"
          />
        </el-form-item>
        <!--filters-->
        <el-form-item
          v-for="(filters, index) in temp.filters"
          :key="1 + index"
          :label="'filter' + (index + 1)"
        >
          <el-input
            v-model="filters.name"
            :prop="'filters.' + index + '.name'"
            style="width: 40%"
            placeholder="请输入名称，如StripPrefix"
          />
          <el-input
            v-model="filters.args.parts"
            :prop="'filters.' + index + '.args.parts'"
            style="width: 40%"
            placeholder="请输入路由表达式"
          />
          <el-button
            type="danger"
            icon="el-icon-minus"
            circle
            size="mini"
            @click="removeFilter(index)"
          />
          <el-button
            type="primary"
            icon="el-icon-plus"
            circle
            size="mini"
            @click="addFilter"
          />
        </el-form-item>

        <el-form-item label="排序" prop="order">
          <el-input
            v-model="temp.orders"
            type="number"
            placeholder="请输入优先级"
          />
        </el-form-item>

        <el-form-item label="描述" prop="description">
          <el-input
            v-model="temp.description"
            type="textarea"
            :rows="3"
            placeholder="请输入描述内容"
          />
        </el-form-item>
      </el-form>
      <!--对话框动作按钮-->
      <div slot="footer" class="dialog-footer">
        <el-button @click="cleanUpTemp">清空</el-button>
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button
          v-if="dialogStatus == 'create'"
          v-btnHas="'gateway:add'"
          type="primary"
          @click="handleAdd"
        >
          创建
        </el-button>
        <el-button
          v-else
          v-btnHas="'gateway:update'"
          type="primary"
          @click="handleModify"
        >
          修改
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import waves from '@/directive/waves'
import {
  queryGateway,
  addGateway,
  deleteGateway,
  updateGateway,
  refreshGateway
} from '@/api/admin/gateway'

export default {
  name: 'GatewayManagement',
  directives: {
    waves
  },
  filters: {
    statusFilter(status) {
      const statusMap = {
        deleted: 'info',
        ok: 'success'
      }
      return statusMap[status]
    }
  },
  data() {
    return {
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        status: 'ok',
        current: 1,
        size: 10
      },
      dialogStatus: 'create',
      dialogFormVisible: false,
      rules: {
        routeId: [{ required: true, message: '路由id必填', trigger: 'blur' }],
        uri: [{ required: true, message: 'uri路径必填', trigger: 'blur' }]
      },
      temp: {
        routeId: '',
        uri: '',
        orders: '',
        description: '',
        predicates: [
          {
            name: '',
            args: {
              pattern: ''
            }
          }
        ],
        filters: [
          {
            name: '',
            args: {
              parts: ''
            }
          }
        ]
      },
      gatewayType: [
        {
          value: 'Y',
          label: 'Y'
        },
        {
          value: 'N',
          label: 'N'
        }
      ],
      defaultGateway: 'Y',
      downloadLoading: false
    }
  },
  created() {
    this.queryGateway()
  },
  methods: {
    removePredicate(index) {
      this.temp.predicates.splice(index, 1)
    },
    addPredicate() {
      this.temp.predicates.push({
        name: '',
        args: {
          pattern: ''
        }
      })
    },
    removeFilter(index) {
      this.temp.filters.splice(index, 1)
    },
    addFilter() {
      this.temp.filters.push({
        name: '',
        args: {
          parts: ''
        }
      })
    },
    /**
     * 查询路由列表
     */
    queryGateway() {
      this.listLoading = true
      queryGateway(this.listQuery).then((res) => {
        this.list = res.data
        this.total = res.data.length
        this.listLoading = false
      })
    },

    handleRefresh() {
      refreshGateway().then(() => {
        this.$notify({
          title: '刷新成功',
          message: '刷新成功',
          type: 'success',
          duration: 2000
        })
      })
    },

    handleFilter() {
      this.listQuery.current = 1
      this.queryGateway()
    },
    /**
     * 修改每页显示条数
     */
    handleSizeChange(val) {
      this.listQuery.size = val
      this.queryGateway()
    },
    /**
     * 跳转到指定页
     */
    handleCurrentChange(val) {
      this.listQuery.current = val
      this.queryGateway()
    },

    /**
     * 弹出新增路由对话框
     */
    handleCreate() {
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    cleanUpTemp() {
      this.temp.routeId = ''
      this.temp.order = ''
      this.temp.status = ''
      this.temp.description = ''
      this.temp.uri = ''
      for (let i = 0; i < this.temp.predicates.length; i++) {
        this.temp.predicates[i].name = ''
        this.temp.predicates[i].args.pattern = ''
      }
      for (let j = 0; j < this.temp.filters.length; j++) {
        this.temp.filters[j].name = ''
        this.temp.filters[j].args.parts = ''
      }
      this.queryGateway()
    },
    /**
     * 新增路由
     */
    handleAdd() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          this.temp.status = this.defaultGateway
          addGateway(this.temp).then(() => {
            this.dialogFormVisible = false
            this.$notify({
              title: '创建成功',
              message: '创建成功',
              type: 'success',
              duration: 2000
            })
            this.queryGateway()
          })
        }
      })
    },

    handleUpdate(row) {
      this.temp = Object.assign({}, row) // copy obj
      this.defaultGateway = this.temp.status
      this.dialogStatus = 'edit'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    /**
     * 更新路由
     */
    handleModify() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          updateGateway(this.temp).then(() => {
            this.dialogFormVisible = false
            this.$notify({
              title: '编辑成功',
              message: '编辑成功',
              type: 'success',
              duration: 2000
            })
            this.queryGateway()
          })
        }
      })
    },
    /**
     * 删除路由
     * @param id
     */
    handleDelete(id) {
      this.$confirm('此操作将永久删除, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        deleteGateway(id).then(() => {
          this.$notify({
            title: '删除成功',
            message: '删除成功',
            type: 'success',
            duration: 2000
          })
          this.queryGateway()
        })
      })
    },
    handleDownload() {
      console.log('download')
    }
  }
}
</script>

<style scoped>
</style>
